<?php

class EventsController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/main';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
    public function accessRules()
    {
        return array(
            array('allow',
                'actions'=>array('index','view'),
                'roles'=>array('member'),
            ),
            array('allow',
                'actions'=>array('update', 'delete'),
                'roles'=>array('admin'),
            ),
            array('deny',  // deny all users
                'users'=>array('*'),
            ),
        );
    }

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
	    if (isset($_POST['pnm'])) {
	        $mClearPNMs = Attendedevent::model()->deleteAll('event_id=:id', array(':id'=>$id));
	        foreach ($_POST['pnm'] as $pnmid => $attendedValue) {
	            $mNewAttendedEvent = new Attendedevent;
	            $mNewAttendedEvent->event_id = $id;
	            $mNewAttendedEvent->pnm_id = $pnmid;
	            $mNewAttendedEvent->save();
	        }
	    }
	    
	    $mPNMs = Pnm::model()->findAll(array('order'=>'first_name'));
	    $mAttendedPNMs = Attendedevent::model()->findAll('event_id=:id', array(':id'=>$id));
	    
	    $attendedPNMNames = array();
	    foreach ($mAttendedPNMs as $apnm) {
	        $attendedPNMNames[] = Pnm::model()->find('id =:pnm_id', array(':pnm_id' => $apnm->pnm_id));
	    }
	    
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		    'mPNMs'=>$mPNMs,
		    'mAttendedPNMs'=>$mAttendedPNMs,
		    'attendedPNM'=>$attendedPNMNames,
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Events;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Events']))
		{
			$model->attributes=$_POST['Events'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->id));
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Events']))
		{
			$model->attributes=$_POST['Events'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->id));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			
		    $mAE = Attendedevent::model()->findAll('event_id =:eid', array(':eid'=> $id));
            foreach ($mAE as $ae) {
                $ae->delete();
            }
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$model=new Events('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['Events']))
			$model->attributes=$_GET['Events'];

		$newModel = new Events;

		$this->performAjaxValidation($model);
		
		if (isset($_POST['Events'])) {
		    $newModel->attributes=$_POST['Events'];
		    if ($newModel->save()) {
		        $this->redirect(array('view','id'=>$newModel->id));
		    }
		}
			
		$this->render('index',array(
			'model'=>$model,
		    'newModel'=>$newModel,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=Events::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='events-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
